Annual report [Section 13 and 15(d), not S-K Item 405]

Loans - Analysis of Past Due Loans, Disaggregated by Loan Class Excluding Loans Held for Sale and Including Nonaccrual Loans Non-PCI (Detail)

v3.25.4
Loans - Analysis of Past Due Loans, Disaggregated by Loan Class Excluding Loans Held for Sale and Including Nonaccrual Loans Non-PCI (Detail) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Financing Receivable, Past Due [Line Items]    
Total Loans $ 6,563,368 $ 6,251,377
Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,049,872 951,302
30-59 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 4,311 5,129
60-89 Days Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,259 2,975
90 Days or More Past Due | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,109 980
Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 33,837 29,776
Non-PCI Loans | Residential    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 6,679 9,084
Non-PCI Loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 15,165 14,298
Non-PCI Loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 4,294 6,990
Non-PCI Loans | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 14,378 8,488
Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 6,529,531 6,221,601
Non-PCI Loans | Current | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,043,193 942,218
Real Estate    
Financing Receivable, Past Due [Line Items]    
Total Loans 5,079,977 4,900,924
Real Estate | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,132,439 1,068,978
Real Estate | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 847,989 848,134
Real Estate | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 503,268 568,861
Real Estate | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,532,667 1,385,051
Real Estate | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 4,016,363 3,871,024
Real Estate | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 13,742 78,598
Real Estate | Residential    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,049,872 951,302
Real Estate | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 9,773  
Real Estate | 30-59 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,002 975
Real Estate | 30-59 Days Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,135 516
Real Estate | 30-59 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 325 1,288
Real Estate | 30-59 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 5,462  
Real Estate | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,506  
Real Estate | 60-89 Days Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 590 855
Real Estate | 60-89 Days Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   (50)
Real Estate | 60-89 Days Past Due | Office    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   212
Real Estate | 60-89 Days Past Due | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 657  
Real Estate | 60-89 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,247  
Real Estate | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 11,422  
Real Estate | 90 Days or More Past Due | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 154 254
Real Estate | 90 Days or More Past Due | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   216
Real Estate | 90 Days or More Past Due | Office    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 10,159  
Real Estate | 90 Days or More Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 10,313  
Real Estate | Current | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 503,268  
Real Estate | Current | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans   1,385,051
Real Estate | Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 23,701 13,350
Real Estate | Non-PCI Loans | Retail    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,746 2,084
Real Estate | Non-PCI Loans | Hospitality    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 3,135 682
Real Estate | Non-PCI Loans | Office    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 10,159 212
Real Estate | Non-PCI Loans | Other    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 982 1,288
Real Estate | Non-PCI Loans | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 17,022 4,266
Real Estate | Non-PCI Loans | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   7,908
Real Estate | Non-PCI Loans | 30-59 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   2,779
Real Estate | Non-PCI Loans | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   3,992
Real Estate | Non-PCI Loans | 60-89 Days Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   1,017
Real Estate | Non-PCI Loans | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   1,450
Real Estate | Non-PCI Loans | 90 Days or More Past Due | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   470
Real Estate | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 5,056,276 4,887,574
Real Estate | Non-PCI Loans | Current | Retail    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,129,693 1,066,894
Real Estate | Non-PCI Loans | Current | Hospitality    
Financing Receivable, Past Due [Line Items]    
Total Loans 844,854 847,452
Real Estate | Non-PCI Loans | Current | Office    
Financing Receivable, Past Due [Line Items]    
Total Loans 493,109 568,649
Real Estate | Non-PCI Loans | Current | Other    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,531,685 1,383,763
Real Estate | Non-PCI Loans | Current | Total commercial property loans    
Financing Receivable, Past Due [Line Items]    
Total Loans 3,999,341 3,866,758
Real Estate | Non-PCI Loans | Current | Construction    
Financing Receivable, Past Due [Line Items]    
Total Loans 13,742 78,598
Commercial and Industrial    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,074,908 863,431
Commercial and Industrial | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 788 236
Commercial and Industrial | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   132
Commercial and Industrial | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable   1,278
Commercial and Industrial | Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 788 1,646
Commercial and Industrial | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans 1,074,120 861,785
Equipment Financing Agreements    
Financing Receivable, Past Due [Line Items]    
Total Loans 408,483 487,022
Equipment Financing Agreements | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 4,604 6,154
Equipment Financing Agreements | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 1,788 2,866
Equipment Financing Agreements | 90 Days or More Past Due    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 2,956 5,760
Equipment Financing Agreements | Non-PCI Loans    
Financing Receivable, Past Due [Line Items]    
Past due loans receivable 9,348 14,780
Equipment Financing Agreements | Non-PCI Loans | Current    
Financing Receivable, Past Due [Line Items]    
Total Loans $ 399,135 $ 472,242